John J. DeBerry Jr., American pastor and politician who served as a Democratic member of the Tennessee House of Representatives, representing District 90 from 1995 to 2021. The Tennessee Democrat Party ousted Mr. DeBerry from the Democratic Party for not “exemplifying the basic Democratic principles.”. What are those principles, you ask, come and hear from Mr. DeBerry, who was hired by the Governor as his senior advisor, for yourselves.